Table 1. COVID-19 outbreak dynamics in China.
Latent period A, contact period B, infectious period C, basic reproduction number R0 = C/B, fraction of initial latent population ρ = E0/I0 and fraction of affected population η = N*/N.
| parameter | mean ± std | interpretation |
|---|---|---|
| A [days] | 2.56 ± 0.72 | latent period |
| B [days] | 1.47 ± 0.32 | contact period |
| C [days] | 17.82 ± 2.95 | infectious period |
| R0 [-] | 12.58 ± 3.17 | basic reproduction no |
| ρ [-] | 3.19 ± 5.44 | initl latent population |
| η [-] | 5.19·10−5 ±2.23·10−4 | affected population |